DTC B1860/64 Short in Driver Side Knee Airbag Squib Circuit; DTC B1861/64 Open in Driver Side Knee Airbag Squib Circuit; DTC B1862/64 Short to GND in Driver Side Knee Airbag Squib Circuit; DTC B1863/64 Short to B+ in Driver Side Knee Airbag Squib Circuit: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
The driver side knee airbag squib circuit consists of the center airbag sensor assembly and the driver side knee airbag assembly.
This circuit instructs SRS to deploy when deployment conditions are met
These DTCs are recorded when a malfunction is detected in the driver side knee airbag squib circuit.
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| B1860/64 |
- The center airbag sensor assembly receives a line short circuit signal 5 times in the driver side knee airbag squib circuit during primary check
- Driver side knee airbag squib malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Driver side knee airbag assembly (Driver side knee airbag squib)
- Center airbag sensor assembly
|
| B1861/64 |
- The center airbag sensor assembly receives an open circuit signal in the driver side knee airbag squib circuit for 2 seconds
- Driver side knee airbag squib malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Driver side knee airbag assembly (Driver side knee airbag squib)
- Center airbag sensor assembly
|
| B1862/64 |
- The center airbag sensor assembly receives a short circuit to ground signal in the driver side knee airbag squib circuit for 0 5 seconds
- Driver side knee airbag squib malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Driver side knee airbag assembly (Driver side knee airbag squib)
- Center airbag sensor assembly
|
| B1863/64 |
- The center airbag sensor assembly receives a short circuit to B+ signal in the driver side knee airbag squib circuit for 0 5 seconds
- Driver side knee airbag squib malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Driver side knee airbag assembly (Driver side knee airbag squib)
- Center airbag sensor assembly
|